From: Grazvydas Ignotas <notasas@gmail.com>
Date: Fri, 20 Sep 2013 23:51:43 +0000 (+0300)
Subject: op_tvout: add ability to switch to other layer
X-Git-Tag: sz_160~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed002a5bce35ff1ae623a2e9f605df4f078ca14a;p=openpandora.oe.git

op_tvout: add ability to switch to other layer
---

diff --git a/recipes/pandora-system/pandora-scripts/op_tvout.sh b/recipes/pandora-system/pandora-scripts/op_tvout.sh
index e9ee540..ff96e65 100755
--- a/recipes/pandora-system/pandora-scripts/op_tvout.sh
+++ b/recipes/pandora-system/pandora-scripts/op_tvout.sh
@@ -12,7 +12,7 @@ ntsc_pos="40,15"
 
 usage()
 {
-  echo "usage: $0 [-d] [-t pal|ntsc] [-c composite|svideo] [-l 0|1] [-{p|n}s w,h] [-{p|n}p x,y]"
+  echo "usage: $0 [-d] [-t pal|ntsc] [-c composite|svideo] [-l 0|1|o] [-{p|n}s w,h] [-{p|n}p x,y]"
   exit 1
 }
 
@@ -35,6 +35,8 @@ enable_it()
   echo "${tv_type}, ${conn_type}, layer $layer, $pos $size"
 
   cd /sys/devices/platform/omapdss
+  ovl0=`cat overlay0/enabled`
+  ovl1=`cat overlay1/enabled`
   echo 0 > display1/enabled
   echo 0 > overlay0/enabled
   echo 0 > overlay1/enabled
@@ -55,7 +57,8 @@ enable_it()
   echo $tv_type > display1/timings
   echo $size > overlay2/output_size
   echo $pos > overlay2/position 
-  echo 1 > overlay0/enabled
+  echo $ovl0 > overlay0/enabled
+  echo $ovl1 > overlay1/enabled
   echo 1 > overlay2/enabled
   echo 1 > display1/enabled
 }
@@ -75,6 +78,28 @@ disable_it()
   echo 1 > overlay0/enabled
 }
 
+layer_toggle()
+{
+  tv_on=`cat /sys/devices/platform/omapdss/display1/enabled`
+  if [ "$tv_on" != "1" ]; then
+    echo "tv-out is off, not changing layers"
+    exit 1
+  fi
+  ovl1_on=`cat /sys/devices/platform/omapdss/overlay1/enabled`
+  if [ "$ovl1_on" != "1" ]; then
+    layer=0
+    return
+  fi
+
+  tmp=`cat /sys/class/graphics/fb0/overlays`
+  if [ "$tmp" == "0" ]; then
+    # tv was on overlay
+    layer=0
+  else
+    layer=1
+  fi
+}
+
 is_good_tv_type()
 {
   if [ "$1" == "pal" -o "$1" == "ntsc" ]; then
@@ -144,7 +169,12 @@ while true; do
       ;;
     "-l")
       shift
-      layer=$1
+      if [ "$1" == "o" ]; then
+        # "other layer" - switch to different layer
+        layer_toggle
+      else
+        layer=$1
+      fi
       ;;
     "-ps")
       shift